CodeIgniter 和 Doctrine 从零开始 第四天 用户登录 下
登出自动加载类库有些类库在应用中到处用到。让codeigniter使他们自动加载，不要每次都去这样调用：$this->library->load(‘session’)编辑：system/application/config/autoload.php找到这行：// ...$autoload['libraries'] = array('session');// ...同样自动加载URL Helper找到这行:// ...$autoload['helper'] = array('url');// ...Logout controller建立：system/application/controllers/logout.php<?phpclass Logout extends Controller {public function index() {
$this->session->sess_destroy();
$this->load->view('logout');
}}Logout 视图建立：system/application/views/logout.php<!DOCTYPE html><html lang="en"><head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Logout</title>
<link rel="stylesheet" href="<?php echo base_url(); ?>css/style.css" type="text/css" media="all">
<meta http-equiv="refresh" content="3;url=<?php echo base_url(); ?>"></head><body><div>
<p>
You are now logged out.
</p>
<p>
Redirecting you <?php echo anchor('/','home'); ?>.
</p></div></body></html>Logout页显示简单的信息，并用meta refresh 重定向到首页Style changes编辑：css/style.cssbody {
font-family: "Trebuchet MS",Arial;
font-size: 14px;
background-color: #212426;
color: #B9AA81;} a {
color: #FFF;} a:hover {
color: #B9AA81;} input, textarea, select {
font-family:inherit;
font-size:inherit;
font-weight:inherit;} #signup_form {
margin-left: auto;
margin-right: auto;
width: 360px;
font-size: 16px; } #signup_form .heading {
text-align: center;
font-size: 22px;
font-weight: bold;
color: #B9AA81;} #signup_form form {
background-color: #B9AA81;
padding: 10px;
border-radius: 8px;
-moz-border-radius: 8px;
-webkit-border-radius: 8px; } #signup_form form label {
font-weight: bold;
color: #11151E;} #signup_form form input,input {
width: 316px;
font-weight: bold;
padding: 8px;
border: 1px solid #FFF;
border-radius: 4px;
-moz-border-radius: 4px;
-webkit-border-radius: 4px;} #signup_form form input {
display: block;
margin: auto;
width: 200px;
font-size: 18px;
background-color: #FFF;
border: 1px solid #BBB; } #signup_form form input:hover {
border-color: #000;} #signup_form .error {
font-size: 13px;
color: #690C07;
font-style: italic;}Home 视图现在我们看看，获取登录用户的用户信息是多么容易。建立：system/application/views/home.php<!DOCTYPE html><html lang="en"><head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Home</title>
<link rel="stylesheet" href="<?php echo base_url(); ?>css/style.css" type="text/css" media="all"></head><body><div>
<?php if(Current_User::user()): ?>
<h2>Hello <em><?php echo Current_User::user()->username; ?></em>.</h2>
<h2><?php echo anchor('logout','Logout'); ?></h2>
<?php else: ?>
<h2>New Users: <?php echo anchor('signup','Create an Account'); ?>.</h2>
<h2>Members: <?php echo anchor('login','Login'); ?>.</h2>
<?php endif; ?></div></body></html>Home controller编辑： system/application/controllers/home.php<?phpclass Home extends Controller {
public function index() {
$this->load->view('home');
}
}测试一下访问：http://localhost/ci_doctrine/logout 确认你是否已经登出。首先你会看到：
一会后，会回到home页
点击 Login 链接，会来到 登录表单：
输入正确的登录信息，你会再次转到home页，你会看到：
这里我的用户名是burak，它是显示给我看的。下期教程我们将学习Doctrine的CRUD(建立，读取，更新，删除)等一些功能。 期待。。。。{:1_1:} 不错，学习了，对新手很有帮助 ...`这帖子什么排版啊, 太乱了吧
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